Home / 14,114.99-21,168.15-9,760.43

Finding the Fourth Proportional to 14,114.99, 21,168.15 and 9,760.43

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Solution

The fourth proportional to 14,114.99, 21,168.15 and 9,760.43 is: 14,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.99 : 21,168.15 = 9,760.43 : x
  2. Step 2: Convert to fraction form
    14,114.99/21,168.15 = 9,760.43/x
  3. Step 3: Cross multiply
    14,114.99x = 21,168.15 × 9,760.43
  4. Step 4: Simplify right side
    14,114.99x = 206,610,140.46
  5. Step 5: Solve for x
    x = 206,610,140.46/14,114.99
  6. Step 6: Final answer
    x = 14,637.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.